Benzidine Back Catalog number: 70027 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 8619.32-10MG Stigmasteryl acetate Price on request LA15200300AL Metribuzin DA, 10μg/ml in Acetonitrile, 10ml Price on request 11679.12-100-IO 2,4',6-Trichlorobiphenyl,100 µg/mL,isooctane,1mL, Price on request